﻿using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace T15OOP2
{
    class Book:Product
    {
        private string isbn;//书号
        private string intro;//简介

        public string Isbn
        {
            get { return isbn; }
            set {
                //异常情况处理：抛出异常
                if (value .Length!=13)
                {
                    throw new ArgumentException("请输入13位的ISBN号");
                }
                isbn = value; }
        }
        public string Intro
        {
            get { return intro; }
            set { intro = value; }
        }



        //base 表示调用基类指定构造方法
        public Book():base("无名书籍")
        {
            Debug.WriteLine("-=调用Book 默认构造方法=-");

        }

        public override void ShowDetail()
        {
            Console.WriteLine("ISBN:{0}",isbn );
            Console.WriteLine("简介:{0}",intro );
        }

        public override void Show()
        {
            //base.Show();//显示调用基类被覆盖的方法
            Console.WriteLine("书籍名称：{0}",name );
            Console.WriteLine("书籍价格：{0}",price  );
        }

        ~Book()
        {
            Debug.WriteLine("-=调用Book 析构方法=-");
        }
    }
}
